Add apache include

Since apache site for gnocchi is configured from apache reclass
we need to include apache state to gnocchi formula.

Other changes:
- kitchen 2017.7 is added

Change-Id: Ia59cbde0edd017dd84bebfca7b645a2ea3e6af40
Related-Prod: https://mirantis.jira.com/browse/PROD-17969
diff --git a/metadata.yml b/metadata.yml
index 4b7a302..5b5ac07 100644
--- a/metadata.yml
+++ b/metadata.yml
@@ -1,3 +1,6 @@
 name: "panko"
 version: "2017.6"
 source: "https://github.com/salt-formulas/salt-formula-panko"
+dependencies:
+  - name: apache
+    source: "https://github.com/salt-formulas/salt-formula-apache"